2630690 has 16 divisors (see below), whose sum is σ = 4753728. Its totient is φ = 1048176.

The previous prime is 2630689. The next prime is 2630707. The reversal of 2630690 is 960362.

It is a super-2 number, since 2×2630690² = 13841059752200, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4769 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (297108).

2^2630690 is an apocalyptic number.

2630690 is a deficient number, since it is larger than the sum of its proper divisors (2123038).

2630690 is a wasteful number, since it uses less digits than its factorization.

2630690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 2630690 is about 1621.9401961848. The cubic root of 2630690 is about 138.0458084989.

The spelling of 2630690 in words is "two million, six hundred thirty thousand, six hundred ninety".